98 files changed, 99 insertions, 98 deletions

diff --git a/usr.bin/apply/apply.1 b/usr.bin/apply/apply.1
index 5332bbd5df78e..1cbcea924599c 100644
--- a/usr.bin/apply/apply.1
+++ b/usr.bin/apply/apply.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 4, 1994
 .Dt APPLY 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm apply
 .Nd apply a command to a set of arguments
diff --git a/usr.bin/at/at.man b/usr.bin/at/at.man
index 31a645ebdd1b3..77b9dac298680 100644
--- a/usr.bin/at/at.man
+++ b/usr.bin/at/at.man
@@ -1,7 +1,7 @@
 .\" $FreeBSD$
 .Dd April 12, 1995
 .Dt "AT" 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm at ,
 .Nm batch ,
diff --git a/usr.bin/biff/biff.1 b/usr.bin/biff/biff.1
index 5d736960a5cc4..cd7434f0146e2 100644
--- a/usr.bin/biff/biff.1
+++ b/usr.bin/biff/biff.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt BIFF 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm biff
 .Nd "be notified if mail arrives and who it is from"
diff --git a/usr.bin/brandelf/brandelf.1 b/usr.bin/brandelf/brandelf.1
index 75407e30d64e0..bc6b1772958b2 100644
--- a/usr.bin/brandelf/brandelf.1
+++ b/usr.bin/brandelf/brandelf.1
@@ -29,7 +29,7 @@
 .\"
 .Dd February 6, 1997
 .Dt BRANDELF 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm brandelf
 .Nd mark an ELF binary for a specific ABI
diff --git a/usr.bin/checknr/checknr.1 b/usr.bin/checknr/checknr.1
index 6d24a5309dbeb..831cba1d1719a 100644
--- a/usr.bin/checknr/checknr.1
+++ b/usr.bin/checknr/checknr.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt CHECKNR 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm checknr
 .Nd check nroff/troff files
diff --git a/usr.bin/cksum/cksum.1 b/usr.bin/cksum/cksum.1
index 90d1245916710..aea8d6d8e7f47 100644
--- a/usr.bin/cksum/cksum.1
+++ b/usr.bin/cksum/cksum.1
@@ -37,7 +37,7 @@
 .\"
 .Dd April 28, 1995
 .Dt CKSUM 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm cksum ,
 .Nm sum
diff --git a/usr.bin/colcrt/colcrt.1 b/usr.bin/colcrt/colcrt.1
index 1881fb3bc7091..c2b8fa9034e1d 100644
--- a/usr.bin/colcrt/colcrt.1
+++ b/usr.bin/colcrt/colcrt.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 30, 1993
 .Dt COLCRT 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm colcrt
 .Nd filter nroff output for CRT previewing
diff --git a/usr.bin/colrm/colrm.1 b/usr.bin/colrm/colrm.1
index 288bd1576ff18..88e34830ea654 100644
--- a/usr.bin/colrm/colrm.1
+++ b/usr.bin/colrm/colrm.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt COLRM 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm colrm
 .Nd remove columns from a file
diff --git a/usr.bin/compress/compress.1 b/usr.bin/compress/compress.1
index 5401ca84516a2..be679f5049df8 100644
--- a/usr.bin/compress/compress.1
+++ b/usr.bin/compress/compress.1
@@ -38,7 +38,7 @@
 .\"
 .Dd April 18, 1994
 .Dt COMPRESS 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm compress ,
 .Nm uncompress ,
diff --git a/usr.bin/ctags/ctags.1 b/usr.bin/ctags/ctags.1
index f19c5d87a832a..5ffc761d6863c 100644
--- a/usr.bin/ctags/ctags.1
+++ b/usr.bin/ctags/ctags.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt CTAGS 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm ctags
 .Nd create a tags file
diff --git a/usr.bin/expand/expand.1 b/usr.bin/expand/expand.1
index 93c62b116cdbc..3a92b7a4a1ed9 100644
--- a/usr.bin/expand/expand.1
+++ b/usr.bin/expand/expand.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 9, 1993
 .Dt EXPAND 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm expand ,
 .Nm unexpand
diff --git a/usr.bin/false/false.1 b/usr.bin/false/false.1
index 1e053f011cda3..c35b672386624 100644
--- a/usr.bin/false/false.1
+++ b/usr.bin/false/false.1
@@ -37,7 +37,7 @@
 .\"
 .Dd June 6, 1993
 .Dt FALSE 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm false
 .Nd return false value
diff --git a/usr.bin/finger/finger.1 b/usr.bin/finger/finger.1
index d8bf56ae52860..810c32817a964 100644
--- a/usr.bin/finger/finger.1
+++ b/usr.bin/finger/finger.1
@@ -34,7 +34,7 @@
 .\"
 .Dd August 1, 1997
 .Dt FINGER 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm finger
 .Nd user information lookup program
diff --git a/usr.bin/from/from.1 b/usr.bin/from/from.1
index 5a04d41d758f8..b889495e2575a 100644
--- a/usr.bin/from/from.1
+++ b/usr.bin/from/from.1
@@ -34,7 +34,7 @@
 .\"
 .Dd December 30, 1993
 .Dt FROM 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm from
 .Nd print names of those who have sent mail
diff --git a/usr.bin/fstat/fstat.1 b/usr.bin/fstat/fstat.1
index 6c46908052c0a..dfb4d078c0f8d 100644
--- a/usr.bin/fstat/fstat.1
+++ b/usr.bin/fstat/fstat.1
@@ -34,7 +34,7 @@
 .\"
 .Dd February 25, 1994
 .Dt FSTAT 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm fstat
 .Nd file status
diff --git a/usr.bin/ftp/ftp.1 b/usr.bin/ftp/ftp.1
index 56c8fde72d841..eb7e4205f28a7 100644
--- a/usr.bin/ftp/ftp.1
+++ b/usr.bin/ftp/ftp.1
@@ -36,7 +36,7 @@
 .\"
 .Dd January 27, 2000
 .Dt FTP 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm ftp , pftp , gate-ftp
 .Nd
diff --git a/usr.bin/gcore/gcore.1 b/usr.bin/gcore/gcore.1
index a0c16e632b70d..04add22b1da9d 100644
--- a/usr.bin/gcore/gcore.1
+++ b/usr.bin/gcore/gcore.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 18, 1994
 .Dt GCORE 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm gcore
 .Nd get core images of running process
diff --git a/usr.bin/gprof/gprof.1 b/usr.bin/gprof/gprof.1
index 614cf14cc7e84..ef52fb790ba5f 100644
--- a/usr.bin/gprof/gprof.1
+++ b/usr.bin/gprof/gprof.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt GPROF 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm gprof
 .Nd display call graph profile data
diff --git a/usr.bin/head/head.1 b/usr.bin/head/head.1
index acfda05d86171..a81025ea0977d 100644
--- a/usr.bin/head/head.1
+++ b/usr.bin/head/head.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt HEAD 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm head
 .Nd display first lines of a file
diff --git a/usr.bin/id/id.1 b/usr.bin/id/id.1
index 8d6d075fb83e2..d4d50e4bfde8e 100644
--- a/usr.bin/id/id.1
+++ b/usr.bin/id/id.1
@@ -37,7 +37,7 @@
 .\"
 .Dd June 6, 1993
 .Dt ID 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm id
 .Nd return user identity
diff --git a/usr.bin/indent/indent.1 b/usr.bin/indent/indent.1
index 58c5c13210d43..dab25996faa08 100644
--- a/usr.bin/indent/indent.1
+++ b/usr.bin/indent/indent.1
@@ -36,7 +36,7 @@
 .\"
 .Dd July 1, 1993
 .Dt INDENT 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm indent
 .Nd indent and format C program source
diff --git a/usr.bin/kdump/kdump.1 b/usr.bin/kdump/kdump.1
index b4df3ebb698bc..d3fefe261dc75 100644
--- a/usr.bin/kdump/kdump.1
+++ b/usr.bin/kdump/kdump.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt KDUMP 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm kdump
 .Nd display kernel trace data
diff --git a/usr.bin/kenv/kenv.1 b/usr.bin/kenv/kenv.1
index b6dee09c043b4..df5c00f7e032f 100644
--- a/usr.bin/kenv/kenv.1
+++ b/usr.bin/kenv/kenv.1
@@ -25,7 +25,7 @@
 .\"
 .Dd June 6, 1993
 .Dt KENV 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm kenv
 .Nd dump the kernel environment
diff --git a/usr.bin/killall/killall.1 b/usr.bin/killall/killall.1
index bfba8817c8d78..3c0ec4aa3842a 100644
--- a/usr.bin/killall/killall.1
+++ b/usr.bin/killall/killall.1
@@ -25,7 +25,7 @@
 .\" $FreeBSD$
 .\"
 .Dd June 25, 1995
-.Os FreeBSD
+.Os
 .Dt KILLALL 1
 .Sh NAME
 .Nm killall
diff --git a/usr.bin/ktrace/ktrace.1 b/usr.bin/ktrace/ktrace.1
index 98031c99b55a5..d879f8192a437 100644
--- a/usr.bin/ktrace/ktrace.1
+++ b/usr.bin/ktrace/ktrace.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt KTRACE 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm ktrace
 .Nd enable kernel process tracing
diff --git a/usr.bin/last/last.1 b/usr.bin/last/last.1
index 0d1598af33f24..fcdb1414409b3 100644
--- a/usr.bin/last/last.1
+++ b/usr.bin/last/last.1
@@ -34,7 +34,7 @@
 .\"
 .Dd May 2, 2001
 .Dt LAST 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm last
 .Nd indicate last logins of users and ttys
diff --git a/usr.bin/lastcomm/lastcomm.1 b/usr.bin/lastcomm/lastcomm.1
index 3a7136f0c70a5..86e6371f28718 100644
--- a/usr.bin/lastcomm/lastcomm.1
+++ b/usr.bin/lastcomm/lastcomm.1
@@ -34,7 +34,7 @@
 .\"
 .Dd September 18, 1996
 .Dt LASTCOMM 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm lastcomm
 .Nd show last commands executed in reverse order
diff --git a/usr.bin/ldd/ldd.1 b/usr.bin/ldd/ldd.1
index 70804b903bb24..d784751d3a5b4 100644
--- a/usr.bin/ldd/ldd.1
+++ b/usr.bin/ldd/ldd.1
@@ -2,7 +2,7 @@
 .\"
 .Dd October 22, 1993
 .Dt LDD 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm ldd
 .Nd list dynamic object dependencies
diff --git a/usr.bin/limits/limits.1 b/usr.bin/limits/limits.1
index 85b41ad4a1394..0040af0c515c7 100644
--- a/usr.bin/limits/limits.1
+++ b/usr.bin/limits/limits.1
@@ -21,7 +21,7 @@
 .\"
 .Dd January 15, 1996
 .Dt LIMITS 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm limits
 .Nd set or display process resource limits
diff --git a/usr.bin/locate/locate/locate.1 b/usr.bin/locate/locate/locate.1
index 44a36931149e5..aa958b60c55fe 100644
--- a/usr.bin/locate/locate/locate.1
+++ b/usr.bin/locate/locate/locate.1
@@ -35,7 +35,7 @@
 .\"
 .Dd June 6, 1993
 .Dt LOCATE 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm locate
 .Nd find filenames quickly
diff --git a/usr.bin/locate/locate/locate.updatedb.8 b/usr.bin/locate/locate/locate.updatedb.8
index 7129f942b1cfa..f2cd396d2e38d 100644
--- a/usr.bin/locate/locate/locate.updatedb.8
+++ b/usr.bin/locate/locate/locate.updatedb.8
@@ -32,7 +32,7 @@
 .\"
 .Dd February 11, 1996
 .Dt LOCATE.UPDATEDB 8
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm locate.updatedb
 .Nd update locate database
diff --git a/usr.bin/lockf/lockf.1 b/usr.bin/lockf/lockf.1
index e3bd147f9ebea..4a9eb65f27976 100644
--- a/usr.bin/lockf/lockf.1
+++ b/usr.bin/lockf/lockf.1
@@ -25,7 +25,7 @@
 .\" $FreeBSD$
 .\"
 .Dd July 7, 1998
-.Os FreeBSD
+.Os
 .Dt LOCKF 1
 .Sh NAME
 .Nm lockf
diff --git a/usr.bin/logger/logger.1 b/usr.bin/logger/logger.1
index daa5ef1b3d27a..55867a473319b 100644
--- a/usr.bin/logger/logger.1
+++ b/usr.bin/logger/logger.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt LOGGER 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm logger
 .Nd make entries in the system log
diff --git a/usr.bin/login/login.1 b/usr.bin/login/login.1
index 4b1b66cf44c6c..312cad8597e81 100644
--- a/usr.bin/login/login.1
+++ b/usr.bin/login/login.1
@@ -34,7 +34,7 @@
 .\"
 .Dd May 5, 1994
 .Dt LOGIN 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm login
 .Nd log into the computer
diff --git a/usr.bin/login/login.access.5 b/usr.bin/login/login.access.5
index f9f0eb5f0f0ec..18685e8927a57 100644
--- a/usr.bin/login/login.access.5
+++ b/usr.bin/login/login.access.5
@@ -4,7 +4,7 @@
 .\" this is comment
 .Dd April 30, 1994
 .Dt LOGIN.ACCESS 5
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm login.access
 .Nd login access control table
diff --git a/usr.bin/logname/logname.1 b/usr.bin/logname/logname.1
index a4883f3a509fc..49a75a5d56627 100644
--- a/usr.bin/logname/logname.1
+++ b/usr.bin/logname/logname.1
@@ -37,7 +37,7 @@
 .\"
 .Dd June 9, 1993
 .Dt LOGNAME 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm logname
 .Nd display user's login name
diff --git a/usr.bin/mail/mail.1 b/usr.bin/mail/mail.1
index caf7007715edb..7d9b511dd0832 100644
--- a/usr.bin/mail/mail.1
+++ b/usr.bin/mail/mail.1
@@ -34,7 +34,7 @@
 .\"
 .Dd December 30, 1993
 .Dt MAIL 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm mail
 .Nd send and receive mail
diff --git a/usr.bin/mk_cmds/mk_cmds.1 b/usr.bin/mk_cmds/mk_cmds.1
index 7ffccde90a71d..13e6b8ebbd846 100644
--- a/usr.bin/mk_cmds/mk_cmds.1
+++ b/usr.bin/mk_cmds/mk_cmds.1
@@ -25,7 +25,7 @@
 .\" $FreeBSD$
 .Dd November 14, 1999
 .Dt MK_CMDS 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm mk_cmds
 .Nd generate commands from table file
diff --git a/usr.bin/mkdep/mkdep.1 b/usr.bin/mkdep/mkdep.1
index 024c6854a4c09..d2c0a9337d00f 100644
--- a/usr.bin/mkdep/mkdep.1
+++ b/usr.bin/mkdep/mkdep.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt MKDEP 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm mkdep
 .Nd construct Makefile dependency list
diff --git a/usr.bin/mkfifo/mkfifo.1 b/usr.bin/mkfifo/mkfifo.1
index 511d90a69a22c..1cdb12b3c333c 100644
--- a/usr.bin/mkfifo/mkfifo.1
+++ b/usr.bin/mkfifo/mkfifo.1
@@ -37,7 +37,7 @@
 .\"
 .Dd January 5, 1994
 .Dt MKFIFO 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm mkfifo
 .Nd make fifos
diff --git a/usr.bin/msgs/msgs.1 b/usr.bin/msgs/msgs.1
index bf5c28dba5862..e0a465c865260 100644
--- a/usr.bin/msgs/msgs.1
+++ b/usr.bin/msgs/msgs.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 28, 1995
 .Dt MSGS 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm msgs
 .Nd system messages and junk mail program
diff --git a/usr.bin/mt/mt.1 b/usr.bin/mt/mt.1
index 85facb315cd13..bcf058c46a02e 100644
--- a/usr.bin/mt/mt.1
+++ b/usr.bin/mt/mt.1
@@ -35,7 +35,7 @@
 .\"
 .Dd June 6, 1993
 .Dt MT 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm mt
 .Nd magnetic tape manipulating program
diff --git a/usr.bin/nfsstat/nfsstat.1 b/usr.bin/nfsstat/nfsstat.1
index 19564b5274c62..8eeae909c1a45 100644
--- a/usr.bin/nfsstat/nfsstat.1
+++ b/usr.bin/nfsstat/nfsstat.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt NFSSTAT 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm nfsstat
 .Nd display
diff --git a/usr.bin/nice/nice.1 b/usr.bin/nice/nice.1
index efb273f5b607c..9ad70c9ef564b 100644
--- a/usr.bin/nice/nice.1
+++ b/usr.bin/nice/nice.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt NICE 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm nice
 .Nd execute a command at a low scheduling priority
diff --git a/usr.bin/nm/nm.1 b/usr.bin/nm/nm.1
index 3179ad2c38a7f..deadd0e49aefd 100644
--- a/usr.bin/nm/nm.1
+++ b/usr.bin/nm/nm.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt NM 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm nm
 .Nd display name list (symbol table)
diff --git a/usr.bin/nm/nm.1aout b/usr.bin/nm/nm.1aout
index 3179ad2c38a7f..deadd0e49aefd 100644
--- a/usr.bin/nm/nm.1aout
+++ b/usr.bin/nm/nm.1aout
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt NM 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm nm
 .Nd display name list (symbol table)
diff --git a/usr.bin/pagesize/pagesize.1 b/usr.bin/pagesize/pagesize.1
index f76c3a7d20f85..723ab90d6dba9 100644
--- a/usr.bin/pagesize/pagesize.1
+++ b/usr.bin/pagesize/pagesize.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt PAGESIZE 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm pagesize
 .Nd print system page size
diff --git a/usr.bin/passwd/passwd.1 b/usr.bin/passwd/passwd.1
index eb9fe3c960f6b..fe4f05c03e80d 100644
--- a/usr.bin/passwd/passwd.1
+++ b/usr.bin/passwd/passwd.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt PASSWD 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm passwd , yppasswd
 .Nd modify a user's password
diff --git a/usr.bin/pr/pr.1 b/usr.bin/pr/pr.1
index b8b97cec75d3f..56ef444b1a22f 100644
--- a/usr.bin/pr/pr.1
+++ b/usr.bin/pr/pr.1
@@ -38,7 +38,7 @@
 .\"
 .Dd April 18, 1994
 .Dt PR 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm pr
 .Nd print files
diff --git a/usr.bin/quota/quota.1 b/usr.bin/quota/quota.1
index 4cd6d2bfb246f..7e9b124247784 100644
--- a/usr.bin/quota/quota.1
+++ b/usr.bin/quota/quota.1
@@ -37,7 +37,7 @@
 .\"
 .Dd June 6, 1993
 .Dt QUOTA 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm quota
 .Nd display disk usage and limits
diff --git a/usr.bin/renice/renice.8 b/usr.bin/renice/renice.8
index 2a55603f5f4ba..12a906a34e495 100644
--- a/usr.bin/renice/renice.8
+++ b/usr.bin/renice/renice.8
@@ -34,7 +34,7 @@
 .\"
 .Dd June 9, 1993
 .Dt RENICE 8
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm renice
 .Nd alter priority of running processes
diff --git a/usr.bin/rlogin/rlogin.1 b/usr.bin/rlogin/rlogin.1
index 79cc0d62ff707..cd8733967460e 100644
--- a/usr.bin/rlogin/rlogin.1
+++ b/usr.bin/rlogin/rlogin.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt RLOGIN 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rlogin
 .Nd remote login
diff --git a/usr.bin/rsh/rsh.1 b/usr.bin/rsh/rsh.1
index 8656cb6c00e33..5ca5887aea187 100644
--- a/usr.bin/rsh/rsh.1
+++ b/usr.bin/rsh/rsh.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt RSH 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rsh
 .Nd remote shell
diff --git a/usr.bin/rup/rup.1 b/usr.bin/rup/rup.1
index 585e6ace1052d..1594adf460a1c 100644
--- a/usr.bin/rup/rup.1
+++ b/usr.bin/rup/rup.1
@@ -35,7 +35,7 @@
 .\"
 .Dd June 7, 1993
 .Dt RUP 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm rup 
 .Nd remote status display
diff --git a/usr.bin/ruptime/ruptime.1 b/usr.bin/ruptime/ruptime.1
index de37cdc6da3d0..f34b58d949482 100644
--- a/usr.bin/ruptime/ruptime.1
+++ b/usr.bin/ruptime/ruptime.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 5, 1994
 .Dt RUPTIME 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm ruptime
 .Nd show host status of local machines
diff --git a/usr.bin/rusers/rusers.1 b/usr.bin/rusers/rusers.1
index fc0978ab6084a..64e0eba0acf69 100644
--- a/usr.bin/rusers/rusers.1
+++ b/usr.bin/rusers/rusers.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 23, 1991
 .Dt RUSERS 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rusers
 .Nd who is logged in to machines on local network
diff --git a/usr.bin/rwall/rwall.1 b/usr.bin/rwall/rwall.1
index 9839a189a4a28..9eaf7c2588429 100644
--- a/usr.bin/rwall/rwall.1
+++ b/usr.bin/rwall/rwall.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 23, 1991
 .Dt RWALL 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rwall
 .Nd send a message to users logged on a host
diff --git a/usr.bin/rwho/rwho.1 b/usr.bin/rwho/rwho.1
index 457f25cbeb9ae..756a3eb246588 100644
--- a/usr.bin/rwho/rwho.1
+++ b/usr.bin/rwho/rwho.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt RWHO 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm rwho
 .Nd who is logged in on local machines
diff --git a/usr.bin/script/script.1 b/usr.bin/script/script.1
index 14760ee6167cd..61d4f50636167 100644
--- a/usr.bin/script/script.1
+++ b/usr.bin/script/script.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt SCRIPT 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm script
 .Nd make typescript of terminal session
diff --git a/usr.bin/shar/shar.1 b/usr.bin/shar/shar.1
index b078862f8cbe4..d44fe6419f4bf 100644
--- a/usr.bin/shar/shar.1
+++ b/usr.bin/shar/shar.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt SHAR 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm shar
 .Nd create a shell archive of files
diff --git a/usr.bin/showmount/showmount.8 b/usr.bin/showmount/showmount.8
index 1d2feb461aa32..3696eb552918d 100644
--- a/usr.bin/showmount/showmount.8
+++ b/usr.bin/showmount/showmount.8
@@ -37,7 +37,7 @@
 .\"
 .Dd March 29, 1995
 .Dt SHOWMOUNT 8
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm showmount
 .Nd show remote nfs mounts on host
diff --git a/usr.bin/sockstat/sockstat.1 b/usr.bin/sockstat/sockstat.1
index eca1f759283ff..cb8419f25c091 100644
--- a/usr.bin/sockstat/sockstat.1
+++ b/usr.bin/sockstat/sockstat.1
@@ -29,7 +29,7 @@
 .\"
 .Dd April 13, 1999
 .Dt SOCKSTAT 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm sockstat
 .Nd list open sockets
diff --git a/usr.bin/soelim/soelim.1 b/usr.bin/soelim/soelim.1
index 2c8c835d7c977..de0e846407a72 100644
--- a/usr.bin/soelim/soelim.1
+++ b/usr.bin/soelim/soelim.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt SOELIM 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm soelim
 .Nd eliminate \&.so's from nroff input
diff --git a/usr.bin/strings/strings.1 b/usr.bin/strings/strings.1
index df660b0c333ff..1e25258f80b73 100644
--- a/usr.bin/strings/strings.1
+++ b/usr.bin/strings/strings.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt STRINGS 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm strings
 .Nd find printable strings in a file
diff --git a/usr.bin/strings/strings.1aout b/usr.bin/strings/strings.1aout
index b22becd738b51..1e25258f80b73 100644
--- a/usr.bin/strings/strings.1aout
+++ b/usr.bin/strings/strings.1aout
@@ -30,10 +30,11 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)strings.1	8.1 (Berkeley) 6/6/93
+.\" $FreeBSD$
 .\"
 .Dd June 6, 1993
 .Dt STRINGS 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm strings
 .Nd find printable strings in a file
diff --git a/usr.bin/symorder/symorder.1 b/usr.bin/symorder/symorder.1
index e783b4957afdf..da9382885245f 100644
--- a/usr.bin/symorder/symorder.1
+++ b/usr.bin/symorder/symorder.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 22, 1991
 .Dt SYMORDER 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm symorder
 .Nd rearrange name list
diff --git a/usr.bin/systat/systat.1 b/usr.bin/systat/systat.1
index a02a3ae266591..69089614a61bc 100644
--- a/usr.bin/systat/systat.1
+++ b/usr.bin/systat/systat.1
@@ -34,7 +34,7 @@
 .\"
 .Dd September 9, 1997
 .Dt SYSTAT 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm systat
 .Nd display system statistics on a crt
diff --git a/usr.bin/tail/tail.1 b/usr.bin/tail/tail.1
index dc652c8372284..7c7437116f8f2 100644
--- a/usr.bin/tail/tail.1
+++ b/usr.bin/tail/tail.1
@@ -37,7 +37,7 @@
 .\"
 .Dd June 6, 1993
 .Dt TAIL 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm tail
 .Nd display the last part of a file
diff --git a/usr.bin/talk/talk.1 b/usr.bin/talk/talk.1
index a9d0fc25b56c0..1b9439102ec96 100644
--- a/usr.bin/talk/talk.1
+++ b/usr.bin/talk/talk.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt TALK 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm talk
 .Nd talk to another user
diff --git a/usr.bin/tcopy/tcopy.1 b/usr.bin/tcopy/tcopy.1
index d4f48653ee30b..1891f6572b4e2 100644
--- a/usr.bin/tcopy/tcopy.1
+++ b/usr.bin/tcopy/tcopy.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 17, 1994
 .Dt TCOPY 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm tcopy
 .Nd copy and/or verify mag tapes
diff --git a/usr.bin/telnet/telnet.1 b/usr.bin/telnet/telnet.1
index c1cb58c7bc392..044746779cb9d 100644
--- a/usr.bin/telnet/telnet.1
+++ b/usr.bin/telnet/telnet.1
@@ -34,7 +34,7 @@
 .\"
 .Dd January 27, 2000
 .Dt TELNET 1
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm telnet
 .Nd user interface to the 
diff --git a/usr.bin/tftp/tftp.1 b/usr.bin/tftp/tftp.1
index 95e78d26352e5..dbcc206920eb3 100644
--- a/usr.bin/tftp/tftp.1
+++ b/usr.bin/tftp/tftp.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 18, 1994
 .Dt TFTP 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm tftp
 .Nd trivial file transfer program
diff --git a/usr.bin/time/time.1 b/usr.bin/time/time.1
index e896f1ce765f0..ce21239b3c2b0 100644
--- a/usr.bin/time/time.1
+++ b/usr.bin/time/time.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt TIME 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm time
 .Nd time command execution
diff --git a/usr.bin/tip/tip/modems.5 b/usr.bin/tip/tip/modems.5
index d77e38c2aff2d..7f2788e579677 100644
--- a/usr.bin/tip/tip/modems.5
+++ b/usr.bin/tip/tip/modems.5
@@ -34,7 +34,7 @@
 .\"
 .Dd March 24, 1995
 .Dt MODEMS 5
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm modems
 .Nd modem configuration data base
diff --git a/usr.bin/tip/tip/tip.1 b/usr.bin/tip/tip/tip.1
index 355fab5cd63db..a737e430c389f 100644
--- a/usr.bin/tip/tip/tip.1
+++ b/usr.bin/tip/tip/tip.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 18, 1994
 .Dt TIP 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm tip
 .Nd connect to a remote system
diff --git a/usr.bin/tput/tput.1 b/usr.bin/tput/tput.1
index 9e22b130917b9..6d7933f4ca645 100644
--- a/usr.bin/tput/tput.1
+++ b/usr.bin/tput/tput.1
@@ -34,7 +34,7 @@
 .\"
 .Dd March 19, 1994
 .Dt TPUT 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm tput ,
 .Nm clear
diff --git a/usr.bin/truss/truss.1 b/usr.bin/truss/truss.1
index b7446919651db..d38b36119c439 100644
--- a/usr.bin/truss/truss.1
+++ b/usr.bin/truss/truss.1
@@ -2,7 +2,7 @@
 .\"
 .Dd November 23, 1997
 .Dt TRUSS 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm truss
 .Nd trace system calls
diff --git a/usr.bin/tset/tset.1 b/usr.bin/tset/tset.1
index 63bc658b65a03..574e5dd39eae0 100644
--- a/usr.bin/tset/tset.1
+++ b/usr.bin/tset/tset.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 9, 1993
 .Dt TSET 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm tset ,
 .Nm reset
diff --git a/usr.bin/ul/ul.1 b/usr.bin/ul/ul.1
index c22fea410f6a8..bb76ea0e72fba 100644
--- a/usr.bin/ul/ul.1
+++ b/usr.bin/ul/ul.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt UL 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm ul
 .Nd do underlining
diff --git a/usr.bin/unifdef/unifdef.1 b/usr.bin/unifdef/unifdef.1
index 5310c74bc3c13..6d10c3610a6b7 100644
--- a/usr.bin/unifdef/unifdef.1
+++ b/usr.bin/unifdef/unifdef.1
@@ -37,7 +37,7 @@
 .\"
 .Dd April 1, 1994
 .Dt UNIFDEF 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm unifdef
 .Nd remove ifdef'ed lines
diff --git a/usr.bin/unvis/unvis.1 b/usr.bin/unvis/unvis.1
index a3cb608a0d9cb..7b9f88558751a 100644
--- a/usr.bin/unvis/unvis.1
+++ b/usr.bin/unvis/unvis.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt UNVIS 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm unvis
 .Nd "revert a visual representation of data back to original form"
diff --git a/usr.bin/users/users.1 b/usr.bin/users/users.1
index 874960705300b..7474464c6a220 100644
--- a/usr.bin/users/users.1
+++ b/usr.bin/users/users.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt USERS 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm users
 .Nd list current users
diff --git a/usr.bin/uuencode/uuencode.1 b/usr.bin/uuencode/uuencode.1
index 94348dc52bcea..4721202f2de26 100644
--- a/usr.bin/uuencode/uuencode.1
+++ b/usr.bin/uuencode/uuencode.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt UUENCODE 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm uuencode ,
 .Nm uudecode
diff --git a/usr.bin/uuencode/uuencode.format.5 b/usr.bin/uuencode/uuencode.format.5
index e3caa39db8d1f..e83b69596c1a2 100644
--- a/usr.bin/uuencode/uuencode.format.5
+++ b/usr.bin/uuencode/uuencode.format.5
@@ -34,7 +34,7 @@
 .\"
 .Dd January 12, 1994
 .Dt UUENCODE 5
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm uuencode
 .Nd format of an encoded uuencode file
diff --git a/usr.bin/vgrind/vgrind.1 b/usr.bin/vgrind/vgrind.1
index 7e03ac7b0918c..d16a69fe2b4e0 100644
--- a/usr.bin/vgrind/vgrind.1
+++ b/usr.bin/vgrind/vgrind.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt VGRIND 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm vgrind
 .Nd grind nice listings of programs
diff --git a/usr.bin/vgrind/vgrindefs.5 b/usr.bin/vgrind/vgrindefs.5
index bf0a7b14e23a8..4b7ca10278a8a 100644
--- a/usr.bin/vgrind/vgrindefs.5
+++ b/usr.bin/vgrind/vgrindefs.5
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt VGRINDEFS 5
-.Os BSD 4.2
+.Os
 .Sh NAME
 .Nm vgrindefs
 .Nd language definition data base for
diff --git a/usr.bin/vis/vis.1 b/usr.bin/vis/vis.1
index 47c080dffa242..53196cdfa3404 100644
--- a/usr.bin/vis/vis.1
+++ b/usr.bin/vis/vis.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 19, 1994
 .Dt VIS 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm vis
 .Nd display non-printable characters in a visual format
diff --git a/usr.bin/vmstat/vmstat.8 b/usr.bin/vmstat/vmstat.8
index 83281c5d790bd..1ce160730c14a 100644
--- a/usr.bin/vmstat/vmstat.8
+++ b/usr.bin/vmstat/vmstat.8
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1996
 .Dt VMSTAT 8
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm vmstat
 .Nd report virtual memory statistics
diff --git a/usr.bin/w/uptime.1 b/usr.bin/w/uptime.1
index 20ebaa0ffbd54..e9bca5cbaade2 100644
--- a/usr.bin/w/uptime.1
+++ b/usr.bin/w/uptime.1
@@ -34,7 +34,7 @@
 .\"
 .Dd April 18, 1994
 .Dt UPTIME 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm uptime
 .Nd show how long system has been running
diff --git a/usr.bin/w/w.1 b/usr.bin/w/w.1
index c7ff0d299abc1..147a5c3ba00dd 100644
--- a/usr.bin/w/w.1
+++ b/usr.bin/w/w.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt W 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm w
 .Nd "display who is logged in and what they are doing"
diff --git a/usr.bin/wall/wall.1 b/usr.bin/wall/wall.1
index ff419794295a8..b68b293926cbe 100644
--- a/usr.bin/wall/wall.1
+++ b/usr.bin/wall/wall.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt WALL 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm wall
 .Nd write a message to users
diff --git a/usr.bin/what/what.1 b/usr.bin/what/what.1
index b5fe8bb05c803..bc46891e4ecb3 100644
--- a/usr.bin/what/what.1
+++ b/usr.bin/what/what.1
@@ -35,7 +35,7 @@
 .\"
 .Dd June 6, 1993
 .Dt WHAT 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm what
 .Nd "show what versions of object modules were used to construct a file"
diff --git a/usr.bin/whereis/whereis.1 b/usr.bin/whereis/whereis.1
index 4fec85d6c5635..72722a9cb7cc2 100644
--- a/usr.bin/whereis/whereis.1
+++ b/usr.bin/whereis/whereis.1
@@ -35,7 +35,7 @@
 .\"
 .Dd June 15, 1996
 .Dt WHEREIS 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm whereis
 .Nd locate programs
diff --git a/usr.bin/which/which.1 b/usr.bin/which/which.1
index 932a76a11d7db..2a7f5def35e0a 100644
--- a/usr.bin/which/which.1
+++ b/usr.bin/which/which.1
@@ -30,7 +30,7 @@
 .\" $FreeBSD$
 .Dd January 26, 1995
 .Dt WHICH 1
-.Os FreeBSD
+.Os
 .Sh NAME
 .Nm which
 .Nd "locate a program file in the user's path"
diff --git a/usr.bin/window/window.1 b/usr.bin/window/window.1
index a61ad1c07b6e4..95b725496bd62 100644
--- a/usr.bin/window/window.1
+++ b/usr.bin/window/window.1
@@ -37,7 +37,7 @@
 .\"
 .Dd December 30, 1993
 .Dt WINDOW 1
-.Os BSD 4.3
+.Os
 .Sh NAME
 .Nm window
 .Nd window environment
diff --git a/usr.bin/xstr/xstr.1 b/usr.bin/xstr/xstr.1
index d7c142e475db8..9425035204fd5 100644
--- a/usr.bin/xstr/xstr.1
+++ b/usr.bin/xstr/xstr.1
@@ -34,7 +34,7 @@
 .\"
 .Dd December 30, 1993
 .Dt XSTR 1
-.Os BSD 3
+.Os
 .Sh NAME
 .Nm xstr
 .Nd "extract strings from C programs to implement shared strings"
diff --git a/usr.bin/yacc/yyfix.1 b/usr.bin/yacc/yyfix.1
index 3b50a624e2d87..834e8ed63ba8d 100644
--- a/usr.bin/yacc/yyfix.1
+++ b/usr.bin/yacc/yyfix.1
@@ -34,7 +34,7 @@
 .\"
 .Dd March 23, 1993
 .Dt YYFIX 1
-.Os BSD 4.4
+.Os
 .Sh NAME
 .Nm yyfix
 .Nd extract tables from y.tab.c
diff --git a/usr.bin/yes/yes.1 b/usr.bin/yes/yes.1
index 1ad336664a34e..de28a88b57c9b 100644
--- a/usr.bin/yes/yes.1
+++ b/usr.bin/yes/yes.1
@@ -34,7 +34,7 @@
 .\"
 .Dd June 6, 1993
 .Dt YES 1
-.Os BSD 4
+.Os
 .Sh NAME
 .Nm yes
 .Nd be repetitively affirmative